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/* Copyright (C) 2011-2015 P.D. Buchan (pdbuchan@yahoo.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _CHECKSUM_H_
#define _CHECKSUM_H_
#include <arpa/inet.h>
#define ETHER_HDRLEN 14
#define IP4_HDRLEN 20
#define IP6_HDRLEN 40
#define ICMP_HDRLEN 8
#define ICMP_DATALEN 4
uint16_t checksum(uint16_t *addr, int len);
uint16_t icmp6_checksum(struct ip6_hdr iphdr, struct icmp6_hdr icmp6hdr, uint8_t *payload, int payloadlen);
#endif /* _CHECKSUM_H_ */
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